. >> all right, from the va hospital center. thank you so much for coming in. >> yes. >> back over to you. >> thank you. >>> and still ahead, new information about those anti- obama chess messages that we first learned on 9news. >>> a new view of hurricane sandy and the kick to the city that will never sleep. >>> but first, using marshmallows to solve the world's problems? how they are doing that at one local cool school. >>> they are teaching locally. making a big stop up here in maryland. how could something as simple as the marshmallow help the students learn how to solve the problems of the world? well, we will take you to the school as they find out. >> have you ever wondered how the tall buildings will stay up in the air? >> they don't have to wonder. >> they'll do three of these. >> the fifth graders are putting engineering basics to work. >> what's the strongest thing to build with? >> usually triangles. >> reporter: their materials, marshmallow and raw spaghetti. their inspiration? >> the empire state building? >> that'